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Forum: Trigonometry

Trigonometric Functions, Trigonometric Identities, etc.

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  2. Trigonometric inequation with tangent function

    Started by karseme, October 24th, 2016 02:52
    attempt, inequation, solution, task, trigonometric
    • Replies: 0
    • Views: 207
    October 24th, 2016, 02:52 Go to last post
  3. don't think there is a solution

    Started by dayalji, October 2nd, 2016 07:48
    cosecx/1-cosecx, cosecx/1-cosecx=50, sec^2x=25, show, solution
    • Replies: 4
    • Views: 446
    October 2nd, 2016, 15:34 Go to last post
  4. Show how to solve this trig question?

    Started by Ilikebugs, September 24th, 2016 18:19
    abc, drawn, median, meeting, triangle
    • Replies: 1
    • Views: 363
    September 24th, 2016, 21:33 Go to last post
  5. Trigonometric identity

    Started by 816318, September 18th, 2016 13:09
    cos2, cos2theta, figure, sin2theta, sin2theta-sin2theta
    • Replies: 2
    • Views: 291
    September 21st, 2016, 21:11 Go to last post
  6. home work help: proving a trigonometric identity

    Started by 816318, September 15th, 2016 17:22
    1+costheta, home, work
    • Replies: 4
    • Views: 343
    September 17th, 2016, 18:13 Go to last post
  7. Which of the following are equal to this identity?

    Started by Umar, September 10th, 2016 11:12
    • Replies: 4
    • Views: 589
    September 10th, 2016, 11:34 Go to last post
  8. Coordinates of sin(2x)=1/2

    Started by markosheehan, September 6th, 2016 15:47
    • Replies: 5
    • Views: 494
    September 7th, 2016, 14:51 Go to last post
  9. finding solutions

    Started by fordy2707, August 20th, 2016 11:23
    • Replies: 4
    • Views: 562
    September 4th, 2016, 18:46 Go to last post
    • Replies: 2
    • Views: 329
    August 24th, 2016, 22:22 Go to last post
  10. Solve the trigonometric equation sin(2theta-pi/6) = cos(2theta)

    Started by iixfaith, August 16th, 2016 14:11
    2 Pages
    1 2
    • Replies: 10
    • Views: 1,551
    August 17th, 2016, 15:57 Go to last post
  11. [SOLVED] Find cos theta and tan theta using sin theta

    Started by mathlearn, August 13th, 2016 06:22
    cos, find, solve, tan, theta
    • Replies: 4
    • Views: 726
    August 14th, 2016, 08:16 Go to last post
  12. Trigonometric equation

    Started by NotaMathPerson, July 31st, 2016 19:42
    4+4sinx/3, correct, cosx, end, plug
    • Replies: 4
    • Views: 596
    August 2nd, 2016, 01:32 Go to last post
  13. Trig identity

    Started by NotaMathPerson, July 31st, 2016 12:12
    continue, cos2a, cos2a=sqrtm, cosa^2-sina^2, identity
    • Replies: 7
    • Views: 772
    July 31st, 2016, 20:03 Go to last post
  14. number of solution

    Started by jacks, July 28th, 2016 06:37
    $xin, left[-pi, number, piright]$, solution
    • Replies: 3
    • Views: 327
    July 28th, 2016, 10:37 Go to last post
  15. [SOLVED] Find the angle BHL using trigonometry

    Started by mathlearn, July 28th, 2016 03:22
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 1,442
    July 28th, 2016, 08:07 Go to last post
  16. Trig Identity

    Started by tmt, July 13th, 2016 03:12
    $n$, $sinleftfrac1n^2right, case, degrees, quadrant
    • Replies: 2
    • Views: 444
    July 22nd, 2016, 18:33 Go to last post
    • Replies: 2
    • Views: 572
    July 20th, 2016, 10:23 Go to last post
  17. Solving trigonometry equations

    Started by fordy2707, July 17th, 2016 09:08
    answer, clue, equation, find, reached
    • Replies: 4
    • Views: 490
    July 18th, 2016, 00:11 Go to last post
  18. finding functions

    Started by fordy2707, July 3rd, 2016 13:24
    angle, functions, phase, radians, seconds
    • Replies: 3
    • Views: 620
    July 10th, 2016, 11:34 Go to last post
  19. Trig Expression Domain

    Started by tmt, June 26th, 2016 16:59
    cos, cos^2theta$, fracpi2, sqrt, theta$
    • Replies: 1
    • Views: 396
    June 26th, 2016, 17:53 Go to last post
  20. solve the equations

    Started by matyw, June 6th, 2016 21:13
    180°, equations, rquation, solve, tan°x
    • Replies: 4
    • Views: 672
    June 11th, 2016, 07:16 Go to last post
  21. question related to inverse sine functions

    Started by gsn57iaf, May 21st, 2016 02:48
    π/3, 1/2, case, correct, sin-1
    • Replies: 2
    • Views: 436
    May 21st, 2016, 03:25 Go to last post
  22. [SOLVED] Beginner's Verifying Trig Identity

    Started by courtbits, October 13th, 2015 12:05
    asin, cot, identity, trig, verifying
    • Replies: 7
    • Views: 855
    May 15th, 2016, 22:41 Go to last post
  23. [SOLVED] arccos(x) =arctan(x)

    Started by karush, April 7th, 2016 18:34
    $x$, =arctanx, explain, intersects, negative
    • Replies: 8
    • Views: 1,128
    May 14th, 2016, 01:57 Go to last post
  24. Helping my daughter study for a Trig test....

    Started by ok782, April 17th, 2016 14:25
    daughter, find, solve, study, trig
    • Replies: 3
    • Views: 560
    May 14th, 2016, 00:58 Go to last post
  25. [SOLVED] equal graphs polar and rectangular

    Started by karush, April 4th, 2016 18:20
    • Replies: 2
    • Views: 418
    April 5th, 2016, 17:12 Go to last post
  26. [SOLVED] Define a discontinuous sine function?

    Started by samir, April 5th, 2016 04:35
    define, discontinuous, function, multiples, sine
    • Replies: 2
    • Views: 447
    April 5th, 2016, 06:08 Go to last post
  27. trigonometry mountain assessment problem

    Started by jenherting, March 29th, 2016 22:37
    ground, meters, number, point, track
    • Replies: 3
    • Views: 509
    March 30th, 2016, 16:56 Go to last post
  28. [ASK] Tan 36°

    Started by Monoxdifly, March 22nd, 2016 21:36
    • Replies: 7
    • Views: 1,028
    March 25th, 2016, 21:19 Go to last post
  29. [SOLVED] y=sinx in polar form

    Started by karush, March 24th, 2016 23:51
    equations, form, plots, polar, simple
    • Replies: 4
    • Views: 610
    March 25th, 2016, 18:41 Go to last post

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